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Week 4

Subtraction Rap

A common subtraction rhyme for remembering when and how to exchange. Vocals by Mr. Pronovost More on top? No need to stop. More on the floor? Go next door! Get one ten. That's ten ones more. Numbers the same? Zero's the game!

Halving numbers using partitioning

An introduction showing how partitioning can be used to halve even and odd numbers.